./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem18_label27.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec9a30623f6add69100f193a31cb8750ddca523d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem18_label27.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec9a30623f6add69100f193a31cb8750ddca523d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:00:12,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:00:12,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:00:12,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:00:12,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:00:12,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:00:12,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:00:13,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:00:13,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:00:13,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:00:13,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:00:13,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:00:13,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:00:13,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:00:13,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:00:13,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:00:13,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:00:13,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:00:13,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:00:13,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:00:13,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:00:13,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:00:13,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:00:13,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:00:13,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:00:13,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:00:13,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:00:13,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:00:13,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:00:13,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:00:13,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:00:13,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:00:13,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:00:13,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:00:13,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:00:13,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:00:13,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:00:13,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:00:13,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:00:13,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:00:13,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:00:13,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:00:13,177 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:00:13,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:00:13,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:00:13,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:00:13,184 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:00:13,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:00:13,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:00:13,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:00:13,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:00:13,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:00:13,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:00:13,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:00:13,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:00:13,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:00:13,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:00:13,195 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:00:13,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:00:13,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:00:13,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:00:13,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:00:13,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:00:13,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:00:13,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:00:13,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:00:13,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:00:13,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:00:13,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:00:13,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:00:13,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec9a30623f6add69100f193a31cb8750ddca523d [2019-11-27 16:00:13,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:00:13,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:00:13,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:00:13,873 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:00:13,875 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:00:13,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label27.c [2019-11-27 16:00:14,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df28960d/09bef2dcd9da4165a030bbbd599cc5e1/FLAG947cd1824 [2019-11-27 16:00:15,580 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:00:15,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label27.c [2019-11-27 16:00:15,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df28960d/09bef2dcd9da4165a030bbbd599cc5e1/FLAG947cd1824 [2019-11-27 16:00:15,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df28960d/09bef2dcd9da4165a030bbbd599cc5e1 [2019-11-27 16:00:15,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:00:15,685 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:00:15,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:15,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:00:15,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:00:15,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:15" (1/1) ... [2019-11-27 16:00:15,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:15, skipping insertion in model container [2019-11-27 16:00:15,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:15" (1/1) ... [2019-11-27 16:00:15,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:00:15,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:00:18,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:18,450 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:00:19,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:19,675 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:00:19,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:19 WrapperNode [2019-11-27 16:00:19,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:19,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:19,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:00:19,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:00:19,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:19" (1/1) ... [2019-11-27 16:00:19,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:19" (1/1) ... [2019-11-27 16:00:20,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:20,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:00:20,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:00:20,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:00:20,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:19" (1/1) ... [2019-11-27 16:00:20,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:19" (1/1) ... [2019-11-27 16:00:20,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:19" (1/1) ... [2019-11-27 16:00:20,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:19" (1/1) ... [2019-11-27 16:00:20,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:19" (1/1) ... [2019-11-27 16:00:20,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:19" (1/1) ... [2019-11-27 16:00:20,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:19" (1/1) ... [2019-11-27 16:00:20,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:00:20,908 INFO L168 Benchmark]: Toolchain (without parser) took 5216.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 798.7 MB in the end (delta: 157.3 MB). Peak memory consumption was 157.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:20,909 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:00:20,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3991.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 867.9 MB in the end (delta: 88.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:20,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 571.31 ms. Allocated memory is still 1.0 GB. Free memory was 867.9 MB in the beginning and 827.3 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:20,919 INFO L168 Benchmark]: Boogie Preprocessor took 643.35 ms. Allocated memory is still 1.0 GB. Free memory was 827.3 MB in the beginning and 798.7 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:20,931 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 3991.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 867.9 MB in the end (delta: 88.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 571.31 ms. Allocated memory is still 1.0 GB. Free memory was 867.9 MB in the beginning and 827.3 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 643.35 ms. Allocated memory is still 1.0 GB. Free memory was 827.3 MB in the beginning and 798.7 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:00:25,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:00:25,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:00:25,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:00:25,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:00:25,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:00:25,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:00:25,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:00:25,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:00:25,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:00:25,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:00:25,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:00:25,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:00:25,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:00:25,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:00:25,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:00:25,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:00:25,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:00:25,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:00:25,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:00:25,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:00:25,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:00:25,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:00:25,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:00:25,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:00:25,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:00:25,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:00:25,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:00:25,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:00:25,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:00:25,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:00:25,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:00:25,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:00:25,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:00:25,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:00:25,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:00:25,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:00:25,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:00:25,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:00:25,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:00:25,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:00:25,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:00:25,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:00:25,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:00:25,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:00:25,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:00:25,458 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:00:25,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:00:25,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:00:25,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:00:25,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:00:25,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:00:25,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:00:25,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:00:25,465 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:00:25,465 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:00:25,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:00:25,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:00:25,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:00:25,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:00:25,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:00:25,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:00:25,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:00:25,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:00:25,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:00:25,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:00:25,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:00:25,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:00:25,476 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:00:25,476 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:00:25,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:00:25,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:00:25,479 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec9a30623f6add69100f193a31cb8750ddca523d [2019-11-27 16:00:26,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:00:26,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:00:26,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:00:26,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:00:26,098 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:00:26,100 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label27.c [2019-11-27 16:00:26,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd1741d7/96362b35923d4e21ba651f633021506b/FLAG1e7094f07 [2019-11-27 16:00:27,771 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:00:27,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label27.c [2019-11-27 16:00:27,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd1741d7/96362b35923d4e21ba651f633021506b/FLAG1e7094f07 [2019-11-27 16:00:27,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd1741d7/96362b35923d4e21ba651f633021506b [2019-11-27 16:00:27,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:00:27,901 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:00:27,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:27,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:00:27,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:00:27,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:27" (1/1) ... [2019-11-27 16:00:27,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:27, skipping insertion in model container [2019-11-27 16:00:27,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:00:27" (1/1) ... [2019-11-27 16:00:27,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:00:28,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:00:30,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:30,979 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:00:32,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:32,376 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:00:32,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:32 WrapperNode [2019-11-27 16:00:32,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:32,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:32,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:00:32,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:00:32,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:32" (1/1) ... [2019-11-27 16:00:32,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:32" (1/1) ... [2019-11-27 16:00:32,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:32,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:00:32,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:00:32,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:00:32,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:32" (1/1) ... [2019-11-27 16:00:32,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:32" (1/1) ... [2019-11-27 16:00:32,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:32" (1/1) ... [2019-11-27 16:00:32,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:32" (1/1) ... [2019-11-27 16:00:33,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:32" (1/1) ... [2019-11-27 16:00:33,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:32" (1/1) ... [2019-11-27 16:00:33,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:32" (1/1) ... [2019-11-27 16:00:33,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:00:33,304 INFO L168 Benchmark]: Toolchain (without parser) took 5403.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 809.1 MB in the end (delta: 138.3 MB). Peak memory consumption was 138.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:33,306 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:00:33,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4480.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 854.9 MB in the end (delta: 92.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:33,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 462.52 ms. Allocated memory is still 1.0 GB. Free memory was 854.9 MB in the beginning and 826.2 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:33,318 INFO L168 Benchmark]: Boogie Preprocessor took 449.62 ms. Allocated memory is still 1.0 GB. Free memory was 826.2 MB in the beginning and 809.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:33,328 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 4480.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 854.9 MB in the end (delta: 92.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 462.52 ms. Allocated memory is still 1.0 GB. Free memory was 854.9 MB in the beginning and 826.2 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 449.62 ms. Allocated memory is still 1.0 GB. Free memory was 826.2 MB in the beginning and 809.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...